Geology 2

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Author:
chasteele
ID:
93735
Filename:
Geology 2
Updated:
2011-07-12 09:11:54
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geology
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Description:
Geology
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  1. Spits
  2. Baymouth Bar
  3. Estuary

    An estuary is a "partly enclosed body of water" in which river water (fresh water) mixes with ocean water (salt water) (Encyclopedia Britannica Online).
    An estuary is an ecosystem that occupies the protected space between
    solid land and open water; visually, estuaries often represent the shift
    from land to ocean with the presence of a peninsula or barrier islands (EPA, 2007),
    although sometimes protective borders are less-visible, like reefs.
    Estuaries are protected like rivers, but have tides like the open ocean
  4. Tombolo's are ridges of sand and shingle which join the mainland
    to an island. Tombolo's are created through the process of longshore drift.
    Where there is a change in the shape of the land, a spit forms in the shallow /
    sheltered water. A tombolo is formed where the spit continues to grow until it
    reaches an island, forming a link with the mainland.
  5. Barchan Sand Dune A more pronounced, crescent shaped dune with a sharp ridge.


  6. Transverse Dune
    - Resembles the ripples of sand on a beach. The ripples of sand
    migrate with the wind, progressing forward as their leeward faces
    release sand.
  7. a-barchan dune
    b-longitoidinal dune
    c-transvers dune
    d- parabolic
    e-barchanoid
    f-star
  8. Desert Landfomrs



  9. Crest
    Trough
    Wavelength
    Wave Height

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